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12e401650c
* Added doctest to string_switch_case.py * Update string_switch_case.py
123 lines
3.4 KiB
Python
123 lines
3.4 KiB
Python
import re
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"""
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general info:
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https://en.wikipedia.org/wiki/Naming_convention_(programming)#Python_and_Ruby
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pascal case [ an upper Camel Case ]: https://en.wikipedia.org/wiki/Camel_case
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camel case: https://en.wikipedia.org/wiki/Camel_case
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kebab case [ can be found in general info ]:
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https://en.wikipedia.org/wiki/Naming_convention_(programming)#Python_and_Ruby
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snake case: https://en.wikipedia.org/wiki/Snake_case
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"""
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# assistant functions
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def split_input(str_: str) -> list:
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"""
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>>> split_input("one two 31235three4four")
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[['one', 'two', '31235three4four']]
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"""
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return [char.split() for char in re.split(r"[^ a-z A-Z 0-9 \s]", str_)]
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def to_simple_case(str_: str) -> str:
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"""
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>>> to_simple_case("one two 31235three4four")
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'OneTwo31235three4four'
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>>> to_simple_case("This should be combined")
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'ThisShouldBeCombined'
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>>> to_simple_case("The first letters are capitalized, then string is merged")
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'TheFirstLettersAreCapitalizedThenStringIsMerged'
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>>> to_simple_case("special characters :, ', %, ^, $, are ignored")
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'SpecialCharactersAreIgnored'
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"""
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string_split = split_input(str_)
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return "".join(
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["".join([char.capitalize() for char in sub_str]) for sub_str in string_split]
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)
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def to_complex_case(text: str, upper: bool, separator: str) -> str:
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"""
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Returns the string concatenated with the delimiter we provide.
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Parameters:
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@text: The string on which we want to perform operation
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@upper: Boolean value to determine whether we want capitalized result or not
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@separator: The delimiter with which we want to concatenate words
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Examples:
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>>> to_complex_case("one two 31235three4four", True, "_")
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'ONE_TWO_31235THREE4FOUR'
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>>> to_complex_case("one two 31235three4four", False, "-")
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'one-two-31235three4four'
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"""
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try:
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string_split = split_input(text)
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if upper:
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res_str = "".join(
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[
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separator.join([char.upper() for char in sub_str])
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for sub_str in string_split
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]
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)
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else:
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res_str = "".join(
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[
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separator.join([char.lower() for char in sub_str])
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for sub_str in string_split
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]
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)
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return res_str
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except IndexError:
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return "not valid string"
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# main content
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def to_pascal_case(text: str) -> str:
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"""
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>>> to_pascal_case("one two 31235three4four")
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'OneTwo31235three4four'
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"""
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return to_simple_case(text)
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def to_camel_case(text: str) -> str:
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"""
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>>> to_camel_case("one two 31235three4four")
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'oneTwo31235three4four'
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"""
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try:
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res_str = to_simple_case(text)
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return res_str[0].lower() + res_str[1:]
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except IndexError:
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return "not valid string"
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def to_snake_case(text: str, upper: bool) -> str:
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"""
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>>> to_snake_case("one two 31235three4four", True)
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'ONE_TWO_31235THREE4FOUR'
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>>> to_snake_case("one two 31235three4four", False)
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'one_two_31235three4four'
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"""
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return to_complex_case(text, upper, "_")
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def to_kebab_case(text: str, upper: bool) -> str:
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"""
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>>> to_kebab_case("one two 31235three4four", True)
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'ONE-TWO-31235THREE4FOUR'
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>>> to_kebab_case("one two 31235three4four", False)
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'one-two-31235three4four'
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"""
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return to_complex_case(text, upper, "-")
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if __name__ == "__main__":
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__import__("doctest").testmod()
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